Patient interface



FIG. 1 is a front perspective view of a patient interface showing afirst embodiment according to our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a front perspective view of a patient interface showing asecond embodiment according to our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a left side view thereof; and,

FIG. 14 is a right side view thereof.

The broken lines in the drawing illustrate portions of the patientinterface that do not form part of the claimed design.

Line shading and stippling have been used in the drawings to indicate acontrast in appearance.

CLAIM The ornamental design for a patient interface, as shown anddescribed.